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Everyone knows about the five senses. Taste: the sense that allows us to enjoy an essential part of life, eating. Hearing: the sense that enables us to carry a conversation with each other. Sight: without this we not be able to do things we take for granted, like driving for instance. Touch: this detects pain and prevents us from injuring o...
Describe the structure and life processes of bacteria. Bacterial cells, like plant cells, are surrounded by a cell wall. However, bacterial cell walls are made up of polysaccharide chains linked to amino acids, while plant cell walls are made up of cellulose, which contains no amino acids. Many bacteria secrete a slimy capsule around the outs...
1. Background Napster software, launched early in 1999, allows internet users to share and download MP3 files directly from any computer connected to the Napster network. The software is used by downloading a client program from the Napster site and then connecting to the network through this software, which allows sharing (uploadi...
Transgenic Organism, plant, animal, or bacteria that has been genetically modified to contain a gene from a different species. The new gene is inherited by offspring in the same way as the organism's own genes. The transgenic condition is achieved by injecting the foreign gene into the fertilized egg or into embryonic cells. The injected gene b...
. 2 Genetic Engineering: Science Genetic Engineering, history and future Altering the Face of Science. Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from analytical engine, to calculator, to computer. Bu...
are proteins, composed of polypeptide chains and non-protein groups. Their function is to help with the reactions of many cells and molecules by serving as catalysts. A catalyst is a substance that allows the activation energy required for a reaction by forming a temporary association with the molecules that are reacting. During this proces...
It all started back in 1953 with two men by the names of James D. Watson and Francis Crick when they discovered the double-helical structure of DNA. Little did they know they were opening the door to the creation of a perfect world. In 1986, the Human Genome Project, led up by the National Institution of Health(NIH), took a giant le...
HIV Since the first AIDS cases were reported in 1981, through mid-1994 more than 402,000 AIDS cases and more than 241,000 deaths have been reported in the United States alone. This is only the tip of the iceberg of HIV infection, however. It is estimated that nearly 1 million Americans had been infected with the virus through the mid-1990s bu...
is war fought with chemicals. The development of chemical weapons and defenses against these weapons are usually considered together in military training. These weapons can be designed to kill large numbers of people, disable them for a while, or destroy their food supplies. The weapons are usually effective without destroying property. Che...
The use of drugs among Americans is rapidly rising. They can be bought and sold almost anywhere, from the streets to hallways of schools. A drug on the rapid rise from the 70's is LSD. Some people attribute this to the fact it is extremely inexpensive, $2-4 a hit, the wrong belief by users that it is a safer drug than marijuana because it i...
Digestive Disorders Amebic Dysentry is a disorder in which there is an accumulation of pus located in the liver. This is usually caused by an internal parasite or organism. When dealing with this liver disease there are a few symptoms to look out for. Jaundice, which is something that will make your skin and eyes go yellow is a...
Aedes Aegypti The mosquito that has attracted the most attention is the mosquito Aedes aegypti. It belongs to the family Culcidae, consisting of about 2,500 species (Encyclopedia Britanica 1999), along with other genera of mosquitoes such as Anopheles, Culex, Orthopodomyia, and the Toxorynchites, to name a few (Womack 1993, E.B....
Hypogravitational Osteoporosis: A review of literature. By Lambert Titus Parker. May 19 1987. (GEnie Spaceport) Osteoporosis: a condition characterized by an absolute decrease in the amount of bone present to a level below which it is capable of maintaining the structural integrity of the skeleton. To state the obvious, Human be...
. v.90 modems Cable Modems Cable modems emerged in consumer markets as an alternative to ISDN and regular modems only a couple of years ago. Promises like speed up 30 Mbps to connect to the internet sounds very attractive given that the service charge is only $35-$55 a month. But the whole thing has been overhyped in my opinion, none of the ca...
